/*
 * Copyright 2012 Gregor Schauer
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package at.schauer.gregor.vienna.metadata;

import at.schauer.gregor.vienna.test.SimpleObject;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Member;
import java.lang.reflect.Modifier;
import java.util.UUID;

/**
 * @author Gregor Schauer
 */
public class SimpleObjectMetadataProvider implements MetadataProvider<SimpleObject> {
	@Override
	public Object getIdentifier(@Nonnull SimpleObject obj) {
		return obj.getId();
	}

	@Override
	public void setIdentifier(@Nonnull SimpleObject obj, @Nullable Object identifier) {
		obj.setId((UUID) identifier);
	}

	@Override
	public String getIdentifierName(@Nonnull Class<? extends SimpleObject> clazz) {
		return "id";
	}

	@Override
	public boolean isTransientType(@Nonnull Class<? extends SimpleObject> clazz) {
		return false;
	}

	@Override
	public <M extends AccessibleObject & Member> boolean isTransient(@Nonnull M member) {
		return Modifier.isTransient(member.getModifiers());
	}

	@Nonnull
	@Override
	public String getEntityName(@Nonnull Class<? extends SimpleObject> clazz) {
		return clazz.getSimpleName();
	}
}
